| Customization: | Available |
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| Natural Abrasive Type: | Natural Corundum |
| Application: | Quarrying |
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The cleanliness of the metal surface treated by this product can reach international standards. The surface roughness reaches 25--150um, which increases the contact surface of the metal surface, improves the adhesion of the surface of the smear, and strengthens the metal structure on the refined metal surface. It has very significant economic benefits and is the most advanced and most Ideal for cleaning high quality materials for spray, rust and reinforcement.
Specification grade: G240~G005;
Microhardness: 390HV-530HV; 470HV-610HV; 570HV-710HV; ≥700HV
Chemical composition: carbon: 0.8% - 1.2%, manganese: 0.35% - 1.2%, silicon: ≥ 0.4%, sulfur, phosphorus: ≤ 0.05%;
Metallographic organization: tempered martensite or tempered Qu's;
Density ≥7.0g/cm3;
The total amount of defects is ≤40%;
Foreign impurities ≤ 1%;
Water content ≤ 0.2%.
The original standard GB6485----86 cast steel sand was abolished in 1993.
Since the tempered iron sand is annealed, the surface color is uniformly blue, and the tempered iron sand is often used to impost the cast steel sand. The service life of the iron sand is only 50-400 times, and the iron rust removal effect is seriously reduced, which seriously damages the user's interests.
process:
The raw material of steel sand is scrap steel of high carbon steel or alloy steel.
A process for directly preparing steel grit by using scrap steel. Includes the following steps:
deal with;
(2) putting the heated and quenched scrap steel into a crusher for crushing to obtain a semi-finished steel grit;
(3) Screening and sorting the semi-finished steel sand products to obtain the finished steel grit. The steel sand production method of the invention reduces the smelting and pelletizing process of the scrap steel material which must be first cast into steel shots in the traditional steel sand production process, and the production cost is greatly saved.
There is also a steel sand production method characterized by comprising the steps of:
(1) putting the heated and quenched scrap steel into a crusher for crushing to obtain a semi-finished steel grit;
(2) Screening and sorting the semi-finished steel sand products to obtain the finished steel grit.
1. As a metallurgical deoxidizer and high temperature resistant material.
2, can also do hardware, glass, precious stones, jade and other polishing.
There are four main applications for silicon carbide: functional ceramics, advanced refractories, abrasives and metallurgical materials. The raw material of silicon carbide can be supplied in large quantities, which cannot be regarded as high-tech products, and the application of nano-sized silicon carbide powder with extremely high technical content is unlikely to form economies of scale in a short time.
3, as an abrasive, can be used to make abrasive tools, such as grinding wheel, oil stone, grinding head, sand tile and so on.
4. High-purity single crystal, which can be used to manufacture semiconductors and manufacture silicon carbide fibers.
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